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Extended stochastic resonance (SR) and its applications in weak mechanical signal processing

Niaoqing HU, Min CHEN, Guojun QIN, Lurui XIA, Zhongyin PAN, Zhanhui FENG,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 450-461 doi: 10.1007/s11465-009-0072-3

Abstract: This paper presents a method based on stochastic resonance (SR) to detect weak fault signal.First, a discrete model of a bistable system that can demonstrate SR is researched, and the stabilityThen, the frequency range of the weak signals that the SR model can detect is extended through a type

Keywords： extended stochastic resonance (SR)     stability analysis of SR     scale transform     weak signal detection     incipientfault detection     envelope analysis    

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Modified Bishop method for stability analysis of weakly sloped subgrade under centrifuge model test

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 727-741 doi: 10.1007/s11709-021-0730-z

Abstract: The accuracy of traditional slice methods for computing the stability safety factor of weakly slopedIn this study, a novel modified Bishop method was developed to improve the accuracy of the stability

Keywords： weakly sloped subgrade     stability analysis     additional force     influential force     modified Bishop method    

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Three-dimensional stability analysis of the dam foundation at Baise

XU Qianjun, LI Xu, CHEN Zuyu

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 217-221 doi: 10.1007/s11709-007-0026-y

Abstract: usually difficult to determine the actual safety factors of rock masses in an ordinary two-dimensional stabilityanalysis if the safety factors of the different cross sections in the rock mass vary significantly.A three-dimensional stability analysis method based on the upper-bound theorem was employed to solveThe parameters used in the analysis were obtained from geomechanics tests, as well as continuity simulations

Keywords： ordinary two-dimensional     randomly     monolith     three-dimensional stability     different    

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Design and stability analysis of continuous skew tied-arch bridge over Bin Jiang River

YU Jiancheng, TONG Hao, HUANG Wei

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 1,   Pages 37-42 doi: 10.1007/s11709-008-0004-z

Abstract: The stability analytical types are also introduced and the first elastic stability theory is used.A space finite element model has been built to analyze the stability performances in both constructionWhen there are more and stronger inner crossbeams, the influence of the end crossbeams on arch stability

Keywords： out-plane buckling     unremarkable     crossbeam     stability analytical     orthogonal    

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Stability analysis of layered slopes in unsaturated soils

Guangyu DAI; Fei ZHANG; Yuke WANG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 378-387 doi: 10.1007/s11709-022-0808-2

Abstract: This study presents stability analyses of layered soil slopes in unsaturated conditions and uses a limitOne-dimensional steady infiltration and evaporation conditions are considered in the stability analysesParametric analyses are conducted to explore the influences of the matric suction on the stability ofTherefore, the location and thickness of the clay layer have significant influences on slope stabilityInfiltration/evaporation can obviously affect the stability of unsaturated layered slopes, but their

Keywords： slope stability     suction stress     unsaturated soil     layered slope     limit equilibrium    

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Nonlinear analysis of pre-tensioned glass wall facade by stability function with initial imperfection

Siu-Lai CHAN, Yaopeng LIU, Andy LEE,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 376-382 doi: 10.1007/s11709-010-0086-2

Abstract: of glass panes in this type of system occurs occasionally, likely to be due to error in design and analysisThis paper presents a rigorous analysis and design of this type of structural systems used in a projectThe stability function with initial curvature is used in place of the cubic function, which is only accuratefor linear analysis.The considerations and analysis techniques are believed to be of value to engineers involved in the design

Keywords： tension system     glass wall     nonlinear analysis     pre-tensioning     second-order analysis    

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Slope stability analysis based on big data and convolutional neural network

Yangpan FU; Mansheng LIN; You ZHANG; Gongfa CHEN; Yongjian LIU

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 7,   Pages 882-895 doi: 10.1007/s11709-022-0859-4

Abstract: The Limit Equilibrium Method (LEM) is commonly used in traditional slope stability analyses, but it isDue to its complexity and nonlinearity involved in the evaluation process, it cannot provide a quick stabilityA CNN model can process data quickly and complete a large amount of data analysis in a specific situationThe CNN trained with this sample database was then applied to the stability prediction of 15 real slopesMoreover, the prediction accuracy of the CNN trained by the sample database for slope stability analysis

Keywords： slope stability     limit equilibrium method     convolutional neural network     database for slopes     big data    

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Surficial stability analysis of soil slope under seepage based on a novel failure mode

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 712-726 doi: 10.1007/s11709-021-0729-5

Abstract: edge effects of surficial landslides are not considered in the infinite slope method for surficial stabilityanalysis of soil slopes.Accordingly, based on the limit equilibrium analysis, a semi-analytical framework considering the edgeeffect for the surficial stability of a soil slope under downslope seepage was established.and traditional simplified methods, and can be efficiently used to assess the surficial stability of

Keywords： soil slope     seepage     surficial failure mode     stress state     edge effects    

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Probabilistic stability analysis of Bazimen landslide with monitored rainfall data and water level fluctuations

Wengang ZHANG, Libin TANG, Hongrui LI, Lin WANG, Longfei CHENG, Tingqiang ZHOU, Xiang CHEN

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1247-1261 doi: 10.1007/s11709-020-0655-y

Abstract: annual cycle and four representative periods was investigated via the deterministic and probabilistic analysisfluctuation of the reservoir water level plays a pivotal role in inducing slope failures, for the minimum stabilityThe probabilistic analysis results reveal that the initial sliding surface is the most important areaThe seepage calculations from probabilistic analysis imply that rainfall is a relatively inferior factoraffecting slope stability.

Keywords： reliability analysis     Bazimen landslide     rainfall     reservoir water level     slope stability    

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On the seismic stability analysis of reinforced rock slope and optimization of prestressed cables

Wenbo ZHENG, Xiaoying ZHUANG, Yongchang CAI

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 132-146 doi: 10.1007/s11709-012-0152-z

Abstract: The evaluation of the seismic stability of high rock slopes is of vital importance to ensure the safeIn this paper, an equivalent pseudo-static force analysis based on the finite element method is developedto evaluate the seismic stability of reinforced rock slopes where the prestressed cables are modeledThe stabilization effects of prestressed cables on the seismic stability of the slope are studied, the

Keywords： high rock slope     reinforced system     optimization     prestressed cable     seismicity    

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Slope stability analysis based on a multigrid method using a nonlinear 3D finite element model

Yaoru LIU, Zhu HE, Bo LI, Qiang YANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 24-31 doi: 10.1007/s11709-013-0190-1

Abstract: establish a structural grid for finite element computation and a slip surface grid for computing slope stabilityThis method can be used to determine the stability safety factor for any slip surface or slide blockthrough a combination of nonlinear finite element analysis and limit equilibrium analysis.of the stability of the Jinping high slope.the results with results obtained using the rigid-body limit equilibrium method showed that the slope stability

Keywords： slope     stability     multi-grid method     nonlinear     finite element method    

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Illuminating the new method process of slope stability analysis by soil stress state

Wang Guoti,Wang Wandi

Strategic Study of CAE 2010, Volume 12, Issue 1,   Pages 52-55

Abstract:

According to the soil stress state and calculation method of slope stabilityAs the calculation formula of slope stability coefficient's theory analysis is rigorous, and the

Keywords： slope stability analysis method     stress state     slope stability coefficient    

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Stability analysis on Tingzikou gravity dam along deep-seated weak planes during earthquake

Weiping HE, Yunlong HE

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1,   Pages 69-75 doi: 10.1007/s11709-012-0146-x

Abstract: The stability of a gravity dam against sliding along deep-seated weak planes is a universal and importantThere is no recommended method for stability analysis of the dam on deep-seated weak planes under earthquake

Keywords： gravity dam     deep-seated weak planes     stability against sliding     earthquake    

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Optimization of WEDM process of pure titanium with multiple performance characteristics using Taguchi’s DOE approach and utility concept

Rupesh CHALISGAONKAR, Jatinder KUMAR

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 201-214 doi: 10.1007/s11465-013-0256-8

Abstract: Multi response optimization was performed for both cutting speed (CS) and surface roughness (SR) usingThe level of significance of the machining parameters for their effect on the CS and SR was determinedby using analysis of variance (ANOVA).

Keywords： wire electro-discharge machining (WEDM)     Taguchi method     analysis of variance (ANOVA)     utility concept     cuttingspeed (CS)     surface roughness (SR)    

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Stability analysis of slopes with planar failure using variational calculus and numerical methods

Norly BELANDRIA, Roberto ÚCAR, Francisco M. LEÓN, Ferri HASSANI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1262-1273 doi: 10.1007/s11709-020-0657-9

Abstract: This study investigates the technique of variational calculus applied to estimate the slope stability

Keywords： slopes stability     planar failure     variational calculus     numerical methods    

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Title Author Date Type Operation

Extended stochastic resonance (SR) and its applications in weak mechanical signal processing

Niaoqing HU, Min CHEN, Guojun QIN, Lurui XIA, Zhongyin PAN, Zhanhui FENG,

Journal Article

Modified Bishop method for stability analysis of weakly sloped subgrade under centrifuge model test

Journal Article

Three-dimensional stability analysis of the dam foundation at Baise

XU Qianjun, LI Xu, CHEN Zuyu

Journal Article

Design and stability analysis of continuous skew tied-arch bridge over Bin Jiang River

YU Jiancheng, TONG Hao, HUANG Wei

Journal Article

Stability analysis of layered slopes in unsaturated soils

Guangyu DAI; Fei ZHANG; Yuke WANG

Journal Article

Nonlinear analysis of pre-tensioned glass wall facade by stability function with initial imperfection

Siu-Lai CHAN, Yaopeng LIU, Andy LEE,

Journal Article

Slope stability analysis based on big data and convolutional neural network

Yangpan FU; Mansheng LIN; You ZHANG; Gongfa CHEN; Yongjian LIU

Journal Article

Surficial stability analysis of soil slope under seepage based on a novel failure mode

Journal Article

Probabilistic stability analysis of Bazimen landslide with monitored rainfall data and water level fluctuations

Wengang ZHANG, Libin TANG, Hongrui LI, Lin WANG, Longfei CHENG, Tingqiang ZHOU, Xiang CHEN

Journal Article

On the seismic stability analysis of reinforced rock slope and optimization of prestressed cables

Wenbo ZHENG, Xiaoying ZHUANG, Yongchang CAI

Journal Article

Slope stability analysis based on a multigrid method using a nonlinear 3D finite element model

Yaoru LIU, Zhu HE, Bo LI, Qiang YANG

Journal Article

Illuminating the new method process of slope stability analysis by soil stress state

Wang Guoti,Wang Wandi

Journal Article

Stability analysis on Tingzikou gravity dam along deep-seated weak planes during earthquake

Weiping HE, Yunlong HE

Journal Article

Optimization of WEDM process of pure titanium with multiple performance characteristics using Taguchi’s DOE approach and utility concept

Rupesh CHALISGAONKAR, Jatinder KUMAR

Journal Article

Stability analysis of slopes with planar failure using variational calculus and numerical methods

Norly BELANDRIA, Roberto ÚCAR, Francisco M. LEÓN, Ferri HASSANI

Journal Article